Exemplos de vect_is_simple_use em C++ (Cpp)

Exemplo n.º 1

static bool
widened_name_p (tree name, tree use_stmt, tree *half_type, tree *def_stmt)
{
  tree dummy;
  loop_vec_info loop_vinfo;
  stmt_vec_info stmt_vinfo;
  tree expr;
  tree type = TREE_TYPE (name);
  tree oprnd0;
  enum vect_def_type dt;
  tree def;

  stmt_vinfo = vinfo_for_stmt (use_stmt);
  loop_vinfo = STMT_VINFO_LOOP_VINFO (stmt_vinfo);

  if (!vect_is_simple_use (name, loop_vinfo, def_stmt, &def, &dt))
    return false;

  if (dt != vect_loop_def
      && dt != vect_invariant_def && dt != vect_constant_def)
    return false;

  if (! *def_stmt)
    return false;

  if (TREE_CODE (*def_stmt) != MODIFY_EXPR)
    return false;

  expr = TREE_OPERAND (*def_stmt, 1);
  if (TREE_CODE (expr) != NOP_EXPR)
    return false;

  oprnd0 = TREE_OPERAND (expr, 0);

  *half_type = TREE_TYPE (oprnd0);
  if (!INTEGRAL_TYPE_P (type) || !INTEGRAL_TYPE_P (*half_type)
      || (TYPE_UNSIGNED (type) != TYPE_UNSIGNED (*half_type))
      || (TYPE_PRECISION (type) < (TYPE_PRECISION (*half_type) * 2)))
    return false;

  if (!vect_is_simple_use (oprnd0, loop_vinfo, &dummy, &dummy, &dt))
    return false;

  if (dt != vect_invariant_def && dt != vect_constant_def
      && dt != vect_loop_def)
    return false;

  return true;
}

Exemplo n.º 2

static bool
widened_name_p (tree name, gimple use_stmt, tree *half_type, gimple *def_stmt,
		bool check_sign)
{
  tree dummy;
  gimple dummy_gimple;
  loop_vec_info loop_vinfo;
  stmt_vec_info stmt_vinfo;
  tree type = TREE_TYPE (name);
  tree oprnd0;
  enum vect_def_type dt;
  tree def;

  stmt_vinfo = vinfo_for_stmt (use_stmt);
  loop_vinfo = STMT_VINFO_LOOP_VINFO (stmt_vinfo);

  if (!vect_is_simple_use (name, loop_vinfo, NULL, def_stmt, &def, &dt))
    return false;

  if (dt != vect_internal_def
      && dt != vect_external_def && dt != vect_constant_def)
    return false;

  if (! *def_stmt)
    return false;

  if (!is_gimple_assign (*def_stmt))
    return false;

  if (gimple_assign_rhs_code (*def_stmt) != NOP_EXPR)
    return false;

  oprnd0 = gimple_assign_rhs1 (*def_stmt);

  *half_type = TREE_TYPE (oprnd0);
  if (!INTEGRAL_TYPE_P (type) || !INTEGRAL_TYPE_P (*half_type)
      || ((TYPE_UNSIGNED (type) != TYPE_UNSIGNED (*half_type)) && check_sign)
      || (TYPE_PRECISION (type) < (TYPE_PRECISION (*half_type) * 2)))
    return false;

  if (!vect_is_simple_use (oprnd0, loop_vinfo, NULL, &dummy_gimple, &dummy,
                           &dt))
    return false;

  return true;
}